JY-902 type double beam water jet loom is designed and developed based on MW851 water jet loom. It combined with new technology and advanced idea of weaving loom. The reed width is from 150cm to 360cm, this loom can be equipped with single nozzle/double nozzle/three nozzle, double warp beam, dual servo motor, ELO, MTU/ETU, and electronic lobby or cam shedding. So it’s able to ensure the equalization of strain of different warps, the weaving stability of medium heavy fabric and high density fabric, and the plainness of two-layer fabric.